JP Japan

Asia, Eastern Asia

Country code: JP Population: 123,975,371 (2024) Currency: JPY 9,535 postal codes

Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asian mainland, it is bordered to the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea in the south. The Japanese archipelago consists of four major islands alongside 14,121 smaller islands, covering 377,975 square kilometers (145,937 sq mi). Divided into 47 administrative prefectures and eight traditional regions, about 75% of the country's terrain is mountainous and heavily forested, concentrating its agriculture and highly urbanized population along its eastern coastal plains. With a population of over 123 million as of 2025, it is the 11th most populous country. The country's capital and largest city is Tokyo.

Source: Wikipedia

Quick facts

Capital
Tokyo
Region
Asia
Subregion
Eastern Asia
Top-level domain
jp
Phone code
+81

Postal code FAQs

What does a postal code look like in Japan?

Format: AAA-?AAAA

Example: 154-0023

Is ZIP code the same as postal code in Japan?

“Postal code” is the general term. Some countries (like the United States) call them ZIP codes.

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